Regulations on Required Information for Certification Practice Statements Article 6
A certification service provider shall specify the telephone number, mailing address and electronic mail address of a contact person to subscribers or relying parties to report the loss of private key and to consult matters of the CPS.
中文原文 憑證實務作業基準應載明事項準則第6條
憑證機構應於其作業基準中載明可供用戶或信賴憑證者報告遺失私密金鑰等事件及諮詢作業基準疑義之聯絡電話、郵遞地址及電子郵件信箱。